Home / 8,680.83-11,979.49-4,701.96

Finding the Fourth Proportional to 8,680.83, 11,979.49 and 4,701.96

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Solution

The fourth proportional to 8,680.83, 11,979.49 and 4,701.96 is: 6,488.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.83 : 11,979.49 = 4,701.96 : x
  2. Step 2: Convert to fraction form
    8,680.83/11,979.49 = 4,701.96/x
  3. Step 3: Cross multiply
    8,680.83x = 11,979.49 × 4,701.96
  4. Step 4: Simplify right side
    8,680.83x = 56,327,082.80
  5. Step 5: Solve for x
    x = 56,327,082.80/8,680.83
  6. Step 6: Final answer
    x = 6,488.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.